Gregor Gramlich. Probabilistic and Nondeterministic Unary Automata. In Branislav Rovan, Peter Vojtás, editors, Mathematical Foundations of Computer Science 2003, 28th International Symposium, MFCS 2003, Bratislava, Slovakia, August 25-29, 2003, Proceedings. Volume 2747 of Lecture Notes in Computer Science, pages 460-469, Springer, 2003. [doi]
Abstract is missing.